Portable clock



FIG. 1 is a right front perspective view of a portable clock showing my new design;

FIG. 2 is a front elevational view, thereof;

FIG. 3 is a rear elevational view, thereof;

FIG. 4 is a right side elevational view thereof, the left side a mirror image;

FIG. 5 is a top plan view, thereof;

FIG. 6 is a bottom plan view, thereof;

FIG. 7 is a right front perspective view of another embodiment of my new design of FIGS. 1-6;

FIG. 8 is a front elevational view, thereof;

FIG. 9 is a rear elevational view, thereof;

FIG. 10 is a right side elevational view thereof, the left side being mirror image;

FIG. 11 is a top plan view, thereof; and,

FIG. 12 is a bottom plan view, thereof. 

The ornamental design for a portable clock, as shown and described. 